Cass County, IA Demographics & ZIP Codes
Cass County, Iowa demographics and median household income by ZIP code — 8 ZIP codes — population 13,960 — avg. income $66,969 — avg. home value $127,025. Compare income, housing, and ZIP-level data on US5.
Cass County demographics
Cass County, Iowa covers 8 ZIP codes, with a combined ZIP-area population of about 13,960.
Median household income in Cass County
The average median household income across ZIP codes in Cass County, Iowa is about $66,969 — about 10% below the IA ZIP average ($74,194), and about 11% below the U.S. median ($75,149).
Among ZIPs with income data, 51535 (Griswold) is near the top at about $83,929, while 50843 (Cumberland) is near the bottom at about $48,438.
Housing in Cass County
For housing in Cass County, Iowa, the average median home value is about $127,025 and the average median rent is about $562.
The most populous ZIP is 50022 (Atlantic) with about 8,472 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Cass County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 50022 | Atlantic | Cass County | IA | 8,472 | $61,347 | $145,600 |
| 51535 | Griswold | Cass County | IA | 1,768 | $83,929 | $135,500 |
| 50020 | Anita | Cass County | IA | 1,277 | $67,125 | $121,400 |
| 51544 | Lewis | Cass County | IA | 843 | $48,750 | $84,500 |
| 50853 | Massena | Cass County | IA | 773 | $71,250 | $210,700 |
| 50843 | Cumberland | Cass County | IA | 462 | $48,438 | $81,700 |
| 51552 | Marne | Cass County | IA | 195 | $83,036 | $110,000 |
| 50274 | Wiota | Cass County | IA | 170 | $71,875 | $126,800 |
Frequently asked questions
What are the demographics of Cass County?
Cass County, Iowa has a combined ZIP-area population of about 13,960 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Cass County?
The average median household income across ZIP codes in Cass County, Iowa is about $66,969, about 10% below the state ZIP average ($74,194), and about 11% below the U.S. median ($75,149). Average median home value is about $127,025. Among ZIPs with data, 51535 (Griswold) is near the top ($83,929) and 50843 (Cumberland) is near the bottom ($48,438).
How many ZIP codes are in Cass County?
Cass County, Iowa includes 8 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Cass County?
This page lists ZIP codes in Cass County, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.